An Improved NLCS Algorithm Based on Series Reversion and Elliptical Model Using Geosynchronous Spaceborne–Airborne UHF UWB Bistatic SAR for Oceanic …

X Hu, H Xie, S Yi, L Zhang, Z Lu - Remote Sensing, 2024 - mdpi.com
Geosynchronous spaceborne–airborne (GEO-SA) ultra-high-frequency ultra-wideband
bistatic synthetic aperture radar (UHF UWB BiSAR) provides high-precision images for …

Fast Factorized Backprojection Algorithm in Orthogonal Elliptical Coordinate System for Ocean Scenes Imaging Using Geosynchronous Spaceborne–Airborne VHF …

X Hu, H Xie, L Zhang, J Hu, J He, S Yi, H Jiang, K Xie - Remote Sensing, 2023 - mdpi.com
Geosynchronous (GEO) spaceborne–airborne very high-frequency ultra-wideband bistatic
synthetic aperture radar (VHF UWB BiSAR) can conduct high-resolution and wide-swath …

Modified nonlinear chirp scaling algorithm for one-stationary bistatic low frequency ultrawideband synthetic aperture radar imaging

D An, L Chen, X Huang - Journal of Applied Remote Sensing, 2015 - spiedigitallibrary.org
We outline a modified nonlinear chirp scaling algorithm (NLCSA) for one-stationary bistatic
synthetic aperture radar (BiSAR) using low-frequency (LF) and an ultrawideband (UWB) …

Focus improvement of airborne high-squint bistatic SAR data using modified azimuth NLCS algorithm based on lagrange inversion theorem

C Li, H Zhang, Y Deng - Remote Sensing, 2021 - mdpi.com
In this paper, a modified azimuth nonlinear chirp scaling (NLCS) algorithm is derived for
high-squint bistatic synthetic aperture radar (BiSAR) imaging to solve its inherent difficult …

An improved imaging algorithm for high-resolution and highly squinted one-stationary bistatic SAR using extended nonlinear chirp scaling based on equi-sum of …

H Zhong, R Zhao, H Song, M Yang, J Liu… - … and Remote Sensing …, 2020 - ieeexplore.ieee.org
The linear range walk correction (LRWC) and the inherent azimuth-variant geometric
configuration in the case of one-stationary bistatic synthetic aperture radar (OS-BiSAR) …

A two-step nonlinear chirp scaling method for multichannel GEO spaceborne–airborne bistatic SAR spectrum reconstructing and focusing

H An, J Wu, Z Sun, J Yang - IEEE Transactions on Geoscience …, 2019 - ieeexplore.ieee.org
Due to the high-altitude illumination and the separation of the receiver and transmitter,
geosynchronous (GEO) spaceborne-airborne bistatic synthetic aperture radar (BiSAR) is …

A NLCS focusing approach for low frequency UWB one-stationary bistatic SAR

L Chen, D An, X Huang, G Zhu - 2015 16th International Radar …, 2015 - ieeexplore.ieee.org
In this paper, we outline a modified nonlinear chirp scaling algorithm (NLCSA) for one-
stationary bistatic Synthetic aperture radar (BiSAR) using low frequency (LF) and ultra …

One-stationary bistatic side-looking SAR imaging algorithm based on extended keystone transforms and nonlinear chirp scaling

Z Li, J Wu, W Li, Y Huang, J Yang - IEEE Geoscience and …, 2012 - ieeexplore.ieee.org
One-stationary bistatic side-looking synthetic aperture radar (OS-BiSAR) data are more
challenging to process than the translational azimuth-invariant bistatic counterparts because …

A Novel Unambiguous Imaging Method for Geosynchronous Spaceborne-Airborne Bistatic SAR

Z Sun, H An, J Wu, J Yang - 2021 IEEE International …, 2021 - ieeexplore.ieee.org
Geosynchronous spaceborne-airborne bistatic synthetic aperture radar (GEO-SA-BiSAR)
consists of GEO transmitter and airborne receiver, which has extensive application …

A modified omega-K algorithm based on a range equivalent model for geo spaceborne-airborne BiSAR imaging

Y Guo, P Huang, P Xi, X Liu, G Liao… - IGARSS 2022-2022 …, 2022 - ieeexplore.ieee.org
Geosynchronous spaceborne-airborne bistatic synthetic aperture radar (GEO-BiSAR) has
the advantages of wide beam coverage, long exposure time, and superior system flexibility …